nftables.yaml

filetype: nftables

detect:
    filename: "nftables.conf$"
    header: "^(#!.*/(env +)?nft( |$)|flush +ruleset)"
    
rules:
    - type: "\\b(chain|counter|map|rule|ruleset|set|table)\\b"
    - type: "\\b(ether|icmp|icmpv6|icmpx|inet|ip|ip6|ipv4|ipv6|tcp|udp)\\b"
    - special: "\\b(elements|hook|policy|priority|type)\\b"
    - identifier: "\\b(ct|iif|iifname|meta|oif|oifname|th)\\b"
    - statement: "\\b(accept|drop|goto|jump|log|masquerade|reject)\\b"
    - preproc: "\\b(add|define|flush|include|delete)\\b"
    - symbol: "[-=/:;,@]"
    - symbol.operator: "[<>.&|^!]|\\b(and|ge|gt|le|lt|or|xor)\\b"
    - constant.string: '([\"]{1})(.*)([\"]{1})'
    - identifier.var: "[$@][a-zA-Z_.][a-zA-Z0-9_/.-]*"
    - comment: "(^|[[:space:]])#([^{].*)?$"
    - indent-char.whitespace: "[[:space:]]+$"
    - indent-char: "    + +| +  +"